Vampire Number Calculator
Check if a Number is Vampire (small/medium size)
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Generate & Store Small/Medium Vampires
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Generate Gigantic Vampire Number (constructive method)
Repeats of the 10-digit block → controls size (503 ≈ 10,060 digits, 800 ≈ 16,000 digits)
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Stored Small/Medium Vampire Numbers
Load / Refresh
Click "Load / Refresh" to show stored entries…